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3 years ago

State what happens to the potential energy of CO2 molecules during this phase change of CO2.

Chemistry

1 answer:

Delicious77 [7]3 years ago

8 0

The potential engery of CO2 just increases

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Which of the following aqueous solutions should demonstrate the most non-ideal behavior? A. 0.1 M NaI B. 0.2 M CuSO4 C. 0.5 M KB

Maslowich

Answer:

D. 2.0 M CuCl2

Explanation:

The ionic strength of a solution shows the concentration of its ions in that given solution of the compound. Dissolved ionic compounds always dissociate into ions. The total amount of ions in solution will definitely affect the properties of the solution. The concept of ionic strength was first introduced by Lewis and Randall in 1921 while describing the activity coefficients of strong electrolytes.

The ionic strength of CuCl2 is 6M as shown:

ionic strength = 0.5*[(+2)^2*2M + (1-)^2*4M] = 6 M

The higher the ionic strength of a solution, the greater its non ideal behavior.

CuCl2 shows the greatest ionic strength hence the greatest non ideal behavior.

6 0

3 years ago

Who was the First to use the term "Cell"?

Ierofanga [76]

Answer:

Robert Hooke

Explanation:

He saw a series of walled boxes that reminded him of the tiny rooms, or cellula, occupied by monks.

8 0

3 years ago

How do you identify important producers and consumers? (Theirs multiple consumers but how do I know which one is the most import

DiKsa [7]

A consumer is like someone who eats out at a restaurant and a producer is like the chef making the food. Also a producer could be a actor and the consumer could be someone watching a movie.

5 0

3 years ago

A straight chain hydrocarbon with the formula C^3H^4 _____.

Yakvenalex [24]

Answer:

has two double C-C bonds

Explanation:

A saturated compound is a compound having the full complement of hydrogen atoms for every carbon atom while an unsaturated compound does not contain the full complement of hydrogen atoms for every atom of carbon.

If we look at C3H4, the only possible structure of the compound is H2C=C=CH2. We can see from this arrangement that the compound contains a cumulative double bond. This is the specific structure that fits into one of the descriptions in the options, the compound contains two double bonds.

4 0

3 years ago

Draw the structural formula of the major product of the reaction of (S)-2,2,3-trimethyloxirane with MeOH, H . Use the wedge/hash

Katarina [22]

Answer:

(S)-3-methoxy-3-methylbutan-2-ol

Explanation:

In this case, we have an epoxide opening in acid medium. The first step then is the protonation of the oxygen. Then the epoxide is broken to generate the most stable carbocation. The nucleophile ( $CH_3OH$ ) will attack the carbocation generating a new bond. Finally, the oxygen is deprotonated to obtain an ether functional group and we will obtain the molecule (S)-3-methoxy-3-methylbutan-2-ol.

See figure 1

I hope it helps!

8 0

4 years ago